CN216001892U - Ink path circulating system of ink-jet printer - Google Patents
Ink path circulating system of ink-jet printer Download PDFInfo
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- CN216001892U CN216001892U CN202122334912.0U CN202122334912U CN216001892U CN 216001892 U CN216001892 U CN 216001892U CN 202122334912 U CN202122334912 U CN 202122334912U CN 216001892 U CN216001892 U CN 216001892U
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- solenoid valve
- jet printer
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Abstract
The utility model discloses an ink jet printer china ink way circulation system, including main china ink bucket, peristaltic pump, degasification lung, one-way check valve, second grade ink horn, advance black solenoid valve, shower nozzle, play black solenoid valve and supply black pump, the shower nozzle forms into china ink mouth and goes out the china ink mouth, the peristaltic pump respectively with main china ink bucket with the degasification lung is connected, degasification lung with one-way check valve connects, one-way check valve with the second grade ink horn is connected, the second grade ink horn with it connects to advance the black solenoid valve, advance the china ink solenoid valve with the china ink mouth of shower nozzle is connected, the china ink mouth of shower nozzle with it connects to go out the china ink solenoid valve, supply the black pump respectively with go out the china ink solenoid valve with main china ink bucket is connected. The utility model discloses a supply the circulation that the ink pump realized the ink in taking out the ink of shower nozzle again in the main china ink bucket for the shower nozzle can not cause the waste of ink when maintaining, and PLC monitoring atmospheric pressure and liquid level, drive peristaltic pump and the work of supplying the ink pump guarantee that the negative pressure is stable in the shower nozzle simultaneously.
Description
Technical Field
The utility model relates to an ink jet printer technical field, concretely relates to ink jet printer china ink way circulation system.
Background
With the rapid development of social informatization and networking and the continuous progress of printing technology, the digital ink-jet printing also makes great progress, the printing quality is continuously improved, and the traditional offset lithography technology is gradually replaced. Inkjet printing is a process of forming an image by ejecting ink droplets onto a substrate, and is increasingly widely used in the printing field because of the characteristics of plateless, pressureless, and digital imaging, and because inkjet printing employs a non-contact printing method, which has incomparable advantages over conventional printing techniques.
The existing ink path system is that ink is stored in a main ink barrel a, the ink passes through a filter c and a degassing lung d by a peristaltic pump b and then is temporarily stored in a secondary ink box e, the secondary ink box e leads to a spray head g through an electromagnetic valve f, one end of the spray head g is filled with the ink and the other end is blocked, the secondary ink box e is connected to a safety bottle through an air pipe, the safety bottle is connected to a positive and negative pressure switching valve through the air pipe, one end of each of two inlets of the positive and negative pressure switching valve is a negative pressure generator, and the other end of each inlet of the positive and negative pressure switching valve is a positive pressure pump. The normal ink discharging is realized by pressing the ink out of the surface of the nozzle through the positive pressure system, and the ink is stably stored in the nozzle through negative pressure in the printing process. The existing ink path has the following defects: (1) when the state of the nozzle is maintained, the ink can be only pressed out from the surface of the nozzle, and a large amount of ink is wasted; (2) if air enters the spray head, the ink outlet end of the spray head needs to be opened manually to discharge ink, so that not only is a large amount of ink wasted, but also the air in the spray head is not easy to discharge.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a technical scheme does:
the utility model provides an ink jet printer ink path circulation system, includes main china ink bucket, peristaltic pump, degasification lung, one-way check valve, second grade ink horn, advances black solenoid valve, shower nozzle, goes out black solenoid valve and supplies the black pump, the shower nozzle forms into china ink mouth and ink outlet, the peristaltic pump respectively with main china ink bucket with the degasification lung is connected, the degasification lung with one-way check valve is connected, one-way check valve with the second grade ink horn is connected, the second grade ink horn with it connects to advance the black solenoid valve, advance the black solenoid valve with the ink inlet of shower nozzle is connected, the ink outlet of shower nozzle with it connects to go out the black solenoid valve, supply the black pump respectively with go out the black solenoid valve with main china ink bucket is connected.
The utility model discloses further set up as the peristaltic pump with it has connected gradually bag filter and has advanced black butterfly filter to degas between the lung. Impurity filtering is carried out to the ink inlet pipeline through setting up bag filter and advancing black butterfly filter, avoids the impurity of the interior ink of main china ink bucket to get into second grade ink horn, improves printing quality.
The utility model discloses further set up to supply the china ink pump with be connected with out black butterfly filter between the black solenoid valve. The ink outlet pipeline is subjected to secondary impurity filtration by arranging the ink outlet butterfly-shaped filter, so that impurities are prevented from entering the main ink barrel again.
The utility model discloses further set up to still include PLC, baroceptor and level sensor, baroceptor with level sensor connects on the second grade ink horn, baroceptor's output with level sensor's output is connected respectively PLC's input, PLC's output is connected respectively the input of peristaltic pump supply the input of china ink pump advance the input of china ink solenoid valve with go out the input of china ink solenoid valve.
The utility model discloses further set up to the ink supply pump pass through the RS485 interface with PLC communication connection.
The utility model discloses further set up as it is normal close formula solenoid valve to go out the black solenoid valve.
The utility model discloses further set up as it is normal close formula solenoid valve to advance the china ink solenoid valve. The ink outlet solenoid valve and the ink inlet solenoid valve are both normally closed solenoid valves, and only can be opened when electrified, so that the nozzle can be closed when sudden power failure occurs, and ink cannot flow out.
The utility model discloses further set up as the second grade ink horn is connected with at least two advance the china ink solenoid valve. The ink outlet side of the second-stage ink box is connected with a plurality of ink inlet electromagnetic valves, so that one second-stage ink box can be supplied with a plurality of nozzles, and the cost of the ink path circulating system is reduced.
The utility model discloses further set up as the ink supply pump is connected with at least two go out the black solenoid valve. One ink supply pump can simultaneously pump ink of a plurality of nozzles, and the cost of the ink path circulating system is further reduced.
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the technical scheme includes that ink in a main ink barrel is temporarily stored in a secondary ink box after passing through a bag filter, a butterfly filter, a degassing lung and a one-way check valve through a peristaltic pump, the secondary ink box is led to a spray head through an ink inlet electromagnetic valve, ink is fed into one end of the spray head, the other end of the spray head is connected with an ink supply pump through an ink outlet electromagnetic valve and the butterfly electromagnetic valve, the ink supply pump pumps the ink back to the main ink barrel, the secondary ink box is connected to a safety bottle through an air pipe, the safety bottle is connected to a positive and negative pressure switching valve through the air pipe, one end of each of two inlets of the positive and negative pressure switching valve is a negative pressure generator, and the other end of each inlet of the positive and negative pressure switching valve is a positive pressure pump. The second-stage ink box is provided with an air pressure sensor and a liquid level sensor, and the PLC adjusts the rotating speed of the ink supply pump in real time according to the air pressure output by the air pressure sensor, so that the stable negative pressure in the spray head is ensured, and the printing effect is ensured; the PLC controls the peristaltic pump to be turned on or off according to the signal change of the liquid level sensor, so that the negative pressure in the spray head is further ensured to be stable, and air cannot enter the spray head. When the sprayer is maintained, the sprayer is switched to the positive pressure pump to work, the PLC does not adjust the rotating speed of the ink supply pump according to the air pressure output by the air pressure sensor any longer, and the ink supply pump is directly adjusted to work at a low speed, so that the sprayer is maintained by pressing ink, the waste of ink when the sprayer is maintained is reduced, air is not easy to enter the sprayer, and the stability of ink path work of the ink-jet printer is ensured.
Drawings
FIG. 1 is a schematic diagram of an ink circulation system in the prior art.
Fig. 2 is a schematic view of an ink circulation system according to an embodiment of the present invention.
Fig. 3 is an electrical control schematic diagram according to an embodiment of the present invention.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; either mechanically or electrically, or internally communicating two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meanings of the above terms according to specific situations.
With reference to the attached drawing 2, the technical scheme of the present invention is an ink path circulation system of an inkjet printer, comprising a main ink tank 1, a peristaltic pump 2, a degassing lung 3, a one-way check valve 4, a secondary ink tank 5, an ink inlet solenoid valve 6, a nozzle 7, an ink outlet solenoid valve 8 and an ink supply pump 9, wherein the nozzle 7 forms an ink inlet and an ink outlet, the peristaltic pump 2 is respectively connected with the main ink tank 1 and the degassing lung 3, the degassing lung 3 is connected with the one-way check valve 4, the one-way check valve 4 is connected with the secondary ink tank 5, the secondary ink tank 5 is connected with the ink inlet solenoid valve 6, the ink inlet solenoid valve 6 is connected with the ink inlet of the nozzle 7, the ink outlet of the nozzle 7 is connected with the ink outlet solenoid valve 8, the ink supply pump 9 is respectively connected with the ink outlet solenoid valve 8 and the main ink tank 1, a bag type filter 10 and an ink inlet butterfly filter 11 are sequentially connected between the peristaltic pump 2 and the degassing lung 3, an ink outlet butterfly filter 12 is connected between the ink supply pump 9 and the ink outlet solenoid valve 8.
The two-stage ink box 5 is connected with at least two ink inlet electromagnetic valves 6.
The ink supply pump 9 is connected with at least two ink outlet solenoid valves 8.
Referring to fig. 3 again, the ink path circulation system of the inkjet printer further includes a PLC13, an air pressure sensor 14 and a liquid level sensor 15, the air pressure sensor 14 and the liquid level sensor 15 are connected to the second-stage ink cartridge 5, an output end of the air pressure sensor 14 and an output end of the liquid level sensor 15 are respectively connected to an input end of a PLC13, and an output end of the PLC13 is respectively connected to an input end of the peristaltic pump 2, an input end of the ink supply pump 9, an input end of the ink inlet solenoid valve 6 and an input end of the ink outlet solenoid valve 8.
The ink supply pump 9 is in communication connection with the PLC13 through an RS485 interface.
The ink outlet solenoid valve 8 is a normally closed solenoid valve, and the ink inlet solenoid valve 6 is a normally closed solenoid valve.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual system is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, the system mode and the embodiment similar to the above technical solution should be protected without creative design without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides an ink jet printer ink way circulation system, its characterized in that, includes main china ink bucket, peristaltic pump, degasification lung, one-way check valve, second grade ink horn, advances black solenoid valve, shower nozzle, play black solenoid valve and supplies the china ink pump, the shower nozzle forms into china ink mouth and ink outlet, the peristaltic pump respectively with main china ink bucket with the degasification lung is connected, the degasification lung with one-way check valve is connected, one-way check valve with the second grade ink horn is connected, the second grade ink horn with it is connected to advance the black solenoid valve, advance the black solenoid valve with the ink inlet of shower nozzle is connected, the ink outlet of shower nozzle with it is connected to go out the black solenoid valve, supply the china ink pump respectively with go out the black solenoid valve with main china ink bucket is connected.
2. The ink path circulation system of an ink jet printer according to claim 1, wherein a bladder filter and an ink inlet butterfly filter are connected in sequence between the peristaltic pump and the degassing lung.
3. The ink path circulation system of an ink jet printer according to claim 1, wherein an ink outlet butterfly filter is connected between the ink supply pump and the ink outlet solenoid valve.
4. The ink path circulation system of an ink jet printer according to claim 1, further comprising a PLC, an air pressure sensor and a liquid level sensor, wherein the air pressure sensor and the liquid level sensor are connected to the secondary ink cartridge, an output end of the air pressure sensor and an output end of the liquid level sensor are respectively connected to an input end of the PLC, and an output end of the PLC is respectively connected to an input end of the peristaltic pump, an input end of the ink supply pump, an input end of the ink inlet solenoid valve and an input end of the ink outlet solenoid valve.
5. The ink path circulation system of an ink jet printer according to claim 4, wherein the ink supply pump is in communication with the PLC via an RS485 interface.
6. The ink path circulation system of an ink jet printer according to any one of claims 1 to 5, wherein the ink outlet solenoid valve is a normally closed solenoid valve.
7. An ink path circulation system for an ink jet printer according to any one of claims 1 to 5 wherein the ink inlet solenoid valve is a normally closed solenoid valve.
8. An ink jet printer ink path circulation system according to any one of claims 1 to 5 wherein at least two of said ink inlet solenoid valves are connected to said secondary ink tank.
9. An ink path circulation system for an ink jet printer according to any one of claims 1 to 5, wherein at least two of said ink outlet solenoid valves are connected to said ink supply pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122334912.0U CN216001892U (en) | 2021-09-26 | 2021-09-26 | Ink path circulating system of ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122334912.0U CN216001892U (en) | 2021-09-26 | 2021-09-26 | Ink path circulating system of ink-jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216001892U true CN216001892U (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122334912.0U Active CN216001892U (en) | 2021-09-26 | 2021-09-26 | Ink path circulating system of ink-jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216001892U (en) |
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2021
- 2021-09-26 CN CN202122334912.0U patent/CN216001892U/en active Active
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